EP 0335236 A3 19910731 - METHINE DYES AND RECORDING MATERIAL CONTAINING THESE DYES
Title (en)
METHINE DYES AND RECORDING MATERIAL CONTAINING THESE DYES
Publication
Application
Priority
DE 3810642 A 19880329
Abstract (en)
[origin: US5093492A] Methine dyes of the formula <IMAGE> where R1, R2, R3, R4, X, Y and the rings A and B each have specific meanings, and methine dyes obtainable by reacting an organic mono- or polyisocyanate with such a methine dye of the abovementioned formal where only the radicals R1 and/and R4 have a group reacting with an organic mono- or polyisocyanate are useful in optical recording media.
IPC 1-7
IPC 8 full level
B41M 5/26 (2006.01); C09B 23/00 (2006.01); C09B 23/01 (2006.01); C09B 23/08 (2006.01); G11B 7/24 (2006.01); G11B 7/2472 (2013.01); G11B 7/253 (2006.01); G11B 7/2531 (2013.01); G11B 7/2533 (2013.01); G11B 7/2534 (2013.01); G11B 7/2536 (2013.01); G11B 7/258 (2006.01); G11B 7/2585 (2013.01); G11B 7/2595 (2013.01)
CPC (source: EP US)
C09B 23/0066 (2013.01 - EP US); G11B 7/2472 (2013.01 - EP US); G11B 7/245 (2013.01 - EP US); G11B 7/2531 (2013.01 - EP US); G11B 7/2533 (2013.01 - EP US); G11B 7/2534 (2013.01 - EP US); G11B 7/2536 (2013.01 - EP US); G11B 7/2585 (2013.01 - EP US); G11B 7/2595 (2013.01 - EP US); Y10S 430/146 (2013.01 - EP US); Y10S 430/165 (2013.01 - EP US)
Citation (search report)
- [X] WO 8402794 A1 19840719 - MINNESOTA MINING & MFG [US]
- [AD] EP 0102781 B1 19880203
- [XD] GB 862445 A 19610308 - KODAK LTD
- [A] GB 988627 A 19650407 - EASTMAN KODAK CO
- [A] EP 0217245 A2 19870408 - BASF AG [DE]
Designated contracting state (EPC)
BE CH DE FR GB IT LI NL
DOCDB simple family (publication)
EP 0335236 A2 19891004; EP 0335236 A3 19910731; EP 0335236 B1 19940907; DE 3810642 A1 19891012; DE 58908296 D1 19941013; JP 2672364 B2 19971105; JP H028254 A 19900111; US 5093492 A 19920303
DOCDB simple family (application)
EP 89105093 A 19890322; DE 3810642 A 19880329; DE 58908296 T 19890322; JP 7525589 A 19890329; US 56384490 A 19900807